.layout {
    padding: 10px;
    margin-top: 90/37.5rem;
    .header {
        width: 100%;
        height: 90/37.5rem;
        text-align: center;
        line-height: 90/37.5rem;
        font-size: 34/37.5rem;
        color: #1f1f1f;
        background-color: #1f1f1f;
        position: fixed;
        top: 0; 
        left: 0;
        .backArrow {
            width: 40/37.5rem;
            height: 90/37.5rem;
            background: url("../../img/back_W@3x.png") no-repeat left center;
            background-size: 60/37.5rem 60/37.5rem;
            position: absolute;
            top: 0;
            left: 025/37.5rem;
        }
    }
    .protocolsTitle {
        width: 100%;
        height: 64px;
        line-height: 64px;
        font-size: 24px;
        text-align: center;
        color: #404040;
    }
    .title {
        width: 100%;
        height: 50px;
        line-height: 50px;
        color: #404040;
        font-size: 18px;
        font-weight: 700;
    } 
    .text {
        font-size: 12px;
        color: #404040;
        margin-bottom: 30px;
        line-height: 20px;
    }
}